
<template>
  <div class="tab-bar-item" @click='itemClick'>
    <div v-if="isActive">
      <slot name="item-icon-active">
      </slot>
    </div>
    <div v-else>
      <slot name="item-icon">
      </slot>
    </div>
    <div :style="activeStyle">
      <slot name="item-text"></slot>
    </div>
  </div>
</template>

<script>
export default {
  props: {
    path: {
      type: String,
      required: true
    },
    activeColor: {
      type: String,
      default: '#ff8198'
    }
  },
  computed: {
    isActive() {
      return this.$route.path.indexOf(this.path) !== -1
    },
    activeStyle() {
      return this.isActive ? { color: this.activeColor } : ''
    }
  },
  methods: {
    itemClick() {
      if (this.path !== this.$route.path) {
        this.$router.replace(this.path)
      }
    }
  }
}
</script>

<style scoped>
.tab-bar-item {
  flex: 1;
}
.tab-bar-item img {
  width: 22px;
  height: 22px;
  vertical-align: middle;
  margin: 3px 0 2px;
}
</style>
